BS ISO 20360:2020 pdf free.Brown coals and lignites一Determination of the volatile matter in the analysis sample: one furnace method. BS ISO 20360 Furnace, heated by electricity, in which a zone of uniform temperature of 900 °C土5 °C can be maintained (see Figure 1, which is the same as the one given in ISO 562:2010 Figure 1).It may be of the...